plot() with type="s" and lty=2 (PR#2630)

Full_Name: Jerome Asselin
Version: 1.6.2
OS: RedHat Linux 7.2
Submission from: (NULL) (142.103.173.179)

In the following example, the line type lty=2 does not show properly
across the entire line.

x <- c(seq(0,.5,.001),seq(.6,1,.1))
y <- rep(1,length(x))
plot(x,y,type="s",lty=2)

Sincerely,
Jerome Asselin
Right. I reported this two days ago on 'r-help' (maybe the wrong place).
In the copy of my report below you also see the (a?) solution.

G?ran
-------------------------------------------------------------------
Consider the following two ways of stair steps plotting:

plo <- function(ty = 2, steps = 200){
  old.par <- par(mfrow = c(2, 1))
  x <- seq(1, 100, length = steps)
  y <- seq(1, 10, length = steps)
  plot(x, y, type = "s", lty = ty, main = "Stair steps")

  x <- rep(x, each = 2)[-1]
  y <- rep(y, each = 2)[-2*steps]
  plot(x, y, type = "l", lty = ty, main = "Line steps")
  par(old.par)
}
[...]
---------------------------------------------------------------------
---
 G?ran Brostr?m                    tel: +46 90 786 5223
 Department of Statistics          fax: +46 90 786 6614
 Ume? University                   http://www.stat.umu.se/egna/gb/
 SE-90187 Ume?, Sweden             e-mail: gb@stat.umu.se

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---
 G?ran Brostr?m                    tel: +46 90 786 5223
 Department of Statistics          fax: +46 90 786 6614
 Ume? University                   http://www.stat.umu.se/egna/gb/
 SE-90187 Ume?, Sweden             e-mail: gb@stat.umu.se

plot() with type="s" and lty=2 (PR#2630)

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